ICD-10 R47.01
Billable / Specific CCAphasia
About ICD-10-CM R47.01
ICD-10-CM code R47.01 represents Aphasia. This is a billable/specific code in the Symptoms, Signs, and Abnormal Findings chapter (block R47). The 2026 edition of ICD-10-CM R47.01 became effective on October 1, 2025.
Coding Tips for R47.01
Specialist guidance from the PayerReady Medical Coding Team. Specificity warnings, HCC capture rules, sequencing notes.
R47.01 is designated CC for MS-DRG grouping. On inpatient claims, this code can shift the DRG to the with-CC variant when documented as a present-on-admission secondary diagnosis. Hospital CDI programs flag CC opportunities during chart review. Failure to capture this code may leave 30 to 80 percent of the inpatient stay revenue unrealized.
Type 1 Excludes
Pure excludes, these codes can never be coded together with R47.01. The conditions are mutually exclusive (e.g., congenital vs acquired forms).
- aphasia following cerebrovascular disease (I69. with final characters -20)
- progressive isolated aphasia (G31.01)
Inpatient DRG Impact, CC
codes Aphasia. As a Complication/Comorbidity (CC), this contributes to DRG severity adjustment when documented alongside the principal diagnosis.
Medicare LCD Coverage for R47.01
Local Coverage Determinations (LCDs) from CMS MACs that list R47.01 as a covered diagnosis.
Showing top 10 of 579 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing R47.01.
1 Cigna
5 Medicare
CPT Codes Commonly Billed with R47.01
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
- 70553 MRI brain with and without contrast — migraine, headache, encephalopathy, brain cancer, epilepsy, brain neoplasm, cognitive decline, MS, hydrocephalus, aphasia, numbness Radiology
- 95819 EEG awake and asleep — epilepsy, generalized seizures, absence seizures, focal seizures, seizure NOS, fasciculations, syncope, encephalopathy, cognitive decline, aphasia, migraine, headache, insomnia Neurology
- 70473 CMS LCD: Billing and Coding: Computed Tomography Cerebral Perfusion Analysis (CTP) CMS LCD
- 70472 CMS LCD: Billing and Coding: Computed Tomography Cerebral Perfusion Analysis (CTP) CMS LCD
Convert R47.01 to ICD-9-CM
Per CMS General Equivalence Mappings (GEMs), useful for legacy data review and historical claim analysis.
| ICD-10 | ICD-9 | Mapping Flags |
|---|---|---|
| R47.01 | 7843 | 00000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To R47.01
Other codes in section R47-R49 (Symptoms and signs involving speech and voice).
ICD-10 R47.01, Billing FAQ
Is ICD-10 code R47.01 billable? +
Yes, R47.01 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What codes are Type 1 Excludes for R47.01? +
Type 1 Excludes (never code together with R47.01): aphasia following cerebrovascular disease (I69. with final characters -20); progressive isolated aphasia (G31.01)
Is R47.01 a CC or MCC for inpatient DRG? +
Yes, this code is designated as CC. Documenting as a secondary diagnosis on inpatient claims can shift the DRG to a higher-weighted category.
What CPT codes are commonly billed with R47.01? +
Procedures frequently paired with R47.01 include: 70553, 95819, 70473, 70472.
What ICD-9 codes does R47.01 map to? +
Per CMS GEMs, R47.01 maps to ICD-9 codes: 7843. Useful for legacy data review and historical claim analysis.
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on June 2, 2026.
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